<!--********************************************************************
* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title data-i18n="resources.title_graphicSymbolData"></title>
    <style type="text/css">
        body {
            margin: 0;
            overflow: hidden;
            background: #fff;
            width: 100%;
            height: 100%
        }

        #map {
            position: absolute;
            width: 100%;
            height: 100%;
            border: 1px solid #3473b7;
        }

        #toolbar {
            position: absolute;
            top: 50px;
            right: 10px;
            width: 300px;
            text-align: center;
            z-index: 100;
            border-radius: 4px;
        }
    </style>
</head>
<body>
<div id="toolbar" class="panel panel-primary">
    <div class='panel-heading'>
        <h5 class='panel-title text-center' data-i18n="resources.text_graphicSymbolData"></h5>
    </div>
    <div class='panel-body content'>
        <div class='panel'>
            <div class='input-group'>
                <span class='input-group-addon'><span data-i18n="resources.text_countsDraw"></span><span
                        data-i18n="[title]resources.text_requiredField" style='color: red;'> * </span></span>
                <input id='total' type='text' class='form-control' value='1000'/>
            </div>
        </div>
        <div class='input-group'>
            <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_startDraw"
                   onclick="addData()"/>&nbsp;&nbsp;
            <input type="button" class="btn btn-default" data-i18n="[value]resources.text_remove"
                   onclick="removeData()"/>
        </div>
    </div>
</div>
<div id="map"></div>
<script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
<script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
<script>
    var map, layer, graphicLayer,
        host = window.isLocal ? window.server : "https://iserver.supermap.io",
        url = host + "/iserver/services/map-china/rest/maps/China";
    init();

    function init() {
        if (!document.createElement("canvas").getContext) {
            widgets.alert.showAlert(resources.msg_supportCanvas, false);
            return;
        }
        map = new SuperMap.Map("map", {
            controls: [
                new SuperMap.Control.Zoom(),
                new SuperMap.Control.Navigation(),
            ]
        });
        map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
        layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, null, {maxResolution: "auto"});
        layer.events.on({"layerInitialized": addLayer});
        graphicLayer = new SuperMap.Layer.Graphics("Graphic Layer");
    }

    function addLayer() {
        map.addLayers([layer, graphicLayer]);
        //显示地图范围
        map.setCenter(new SuperMap.LonLat(0, 0), 3);
    }

    //symbol相关属性 填充色、边框颜色、半径、
    var fillColors = ['rgba(255,153,0,0.4)', 'rgba(70,80,224,0.4)', 'rgba(60,150,79,0.4)', 'rgba(176,61,35,0.4)'];
    var strokeColors = ['rgba(255,204,0,0.2)', 'rgba(12,21,138,0.2)', 'rgba(20,99,32,0.2)', 'rgba(145,43,20,0.2)'];
    var radius = [3, 6, 9, 12, 15, 18];
    var sybolCount = fillColors.length * radius.length * 2;
    var symbols = [];
    for (var i = 0; i < fillColors.length; i++) {
        for (var j = 0; j < radius.length; j++) {
            //circle  symbol
            symbols.push(new SuperMap.Style.Circle({
                radius: radius[j],
                fill: new SuperMap.Style.Fill({
                    color: fillColors[i]
                }),
                stroke: new SuperMap.Style.Stroke({
                    color: strokeColors[i]
                })
            }));
            //star symbol
            symbols.push(new SuperMap.Style.RegularShape({
                pointsLength: 5,
                radius: radius[j],
                radius1: radius[j] * 0.6,
                fill: new SuperMap.Style.Fill({
                    color: fillColors[i]
                }),
                stroke: new SuperMap.Style.Stroke({
                    color: strokeColors[i]
                })
            }));
        }
    }

    var total, t1, t2;
    var e = 10000000;

    function addData() {
        widgets.alert.clearAlert();
        graphicLayer.removeAllGraphics();
        var total = document.getElementById("total").value;
        t1 = new Date().getTime();

        var points = [];
        for (var i = 0; i < total; i++) {
            var point = new SuperMap.Geometry.Point(2 * e * Math.random() - e, 2 * e * Math.random() - e);
            var pointVector = new SuperMap.Graphic(point);
            pointVector.style = {
                image: symbols[i % sybolCount]
            };
            points.push(pointVector)
        }
        graphicLayer.addGraphics(points);

        //消耗时间计算
        t2 = new Date().getTime();
        //console.info(total + "个总时间为：" + (t2-t1) + "ms");
        widgets.alert.showAlert(resources.msg_totalTime1 + total + resources.msg_totalTime2 + total + (t2 - t1) + "ms", true);
    }

    //移除数据
    function removeData() {
        widgets.alert.clearAlert();
        graphicLayer.removeAllGraphics();
        graphicLayer.refresh();
    }

</script>

</body>
</html>